<!doctype html>
<html lang="en">
	<head>
		<title>three.js misc - sound</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<style>
			body {
				background-color: #000000;
				margin: 0px;
				overflow: hidden;
				font-family:Monospace;
				font-size:13px;
				text-align:center;
				font-weight: bold;
				text-align:center;
			}

			a {
				color:#0078ff;
			}

			#info {
				color:#fff;
				position: absolute;
				top: 0px; width: 100%;
				padding: 5px;
				z-index:100;
			}
		</style>
	</head>
	<body>

		<div id="info">
			<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - webgl 3d sounds example -
			music by <a href="http://www.newgrounds.com/audio/listen/358232" target="_blank">larrylarrybb</a> and
			<a href="http://www.newgrounds.com/audio/listen/376737" target="_blank">skullbeatz</a> <br/><br/>

			navigate with WASD / arrows / mouse
		</div>


		<div id="container"></div>

		<script src="../build/Three.js"></script>

		<script src="js/Detector.js"></script>

		<script>

			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();

			var container;
			var camera, controls, scene, renderer;
			var light, pointLight;

			var mesh;
			var material_sphere1, material_sphere2;

			var sound1, sound2;

			var clock = new THREE.Clock();

			var Sound = function ( sources, radius, volume ) {

				var audio = document.createElement( 'audio' );

				for ( var i = 0; i < sources.length; i ++ ) {

					var source = document.createElement( 'source' );
					source.src = sources[ i ];

					audio.appendChild( source );

				}

				this.position = new THREE.Vector3();

				this.play = function () {

					audio.play();

				}

				this.update = function ( camera ) {

					var distance = this.position.distanceTo( camera.position );

					if ( distance <= radius ) {

						audio.volume = volume * ( 1 - distance / radius );

					} else {

						audio.volume = 0;

					}

				}

			}

			init();
			animate();

			function init() {

				container = document.getElementById( 'container' );

				scene = new THREE.Scene();
				scene.fog = new THREE.FogExp2( 0x000000, 0.0035 );

				camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 10000 );
				camera.position.set( 0, 25, 0 );

				scene.add( camera );

				controls = new THREE.FirstPersonControls( camera );

				controls.movementSpeed = 70;
				controls.lookSpeed = 0.05;
				controls.noFly = true;
				controls.lookVertical = false;

				light = new THREE.DirectionalLight( 0xffffff );
				light.position.set( 0, 0.5, 1 ).normalize();
				scene.add( light );

				var sphere = new THREE.SphereGeometry( 20, 32, 16 );

				material_sphere1 = new THREE.MeshLambertMaterial( { color: 0xffaa00, shading: THREE.FlatShading } );
				material_sphere2 = new THREE.MeshLambertMaterial( { color: 0xff2200, shading: THREE.FlatShading } );

				var cube = new THREE.CubeGeometry( 5, 40, 5 );
				var material_cube = new THREE.MeshLambertMaterial( { color: 0xffff00, shading: THREE.FlatShading } );
				material_cube.color.setHSV( 0.1, 0.7, 1 );

				// sound spheres

				var s = 1;

				var mesh1 = new THREE.Mesh( sphere, material_sphere1 );
				mesh1.position.set( -250, 30, 0 );
				mesh1.scale.set( s, s, s );
				scene.add( mesh1 );

				sound1 = new Sound( [ 'sounds/358232_j_s_song.mp3', 'sounds/358232_j_s_song.ogg' ], 275, 1 );
				sound1.position.copy( mesh1.position );
				sound1.play();

				//

				var mesh2 = new THREE.Mesh( sphere, material_sphere2 );
				mesh2.position.set( 250, 30, 0 );
				mesh2.scale.set( s, s, s );
				scene.add( mesh2 );

				sound2 = new Sound( [ 'sounds/376737_Skullbeatz___Bad_Cat_Maste.mp3', 'sounds/376737_Skullbeatz___Bad_Cat_Maste.ogg' ], 275, 1 );
				sound2.position.copy( mesh2.position );
				sound2.play();


				// ground

				var material_wireframe = new THREE.MeshLambertMaterial( { color: 0xffaa00, wireframe: true, wireframeLinewidth: 1 } );
				material_wireframe.color.setHSV( 0.1, 0.2, 0.5 );


				var plane = new THREE.PlaneGeometry( 1000, 1000, 100, 100 );
				mesh = new THREE.Mesh( plane, material_wireframe );
				mesh.position.y = 0.1;
				mesh.rotation.x = -Math.PI/2;
				scene.add( mesh );


				renderer = new THREE.WebGLRenderer( { clearColor: 0x000000, clearAlpha: 1, antialias: true } );
				renderer.setSize( window.innerWidth, window.innerHeight );

				container.innerHTML = "";
				container.appendChild( renderer.domElement );

			}

			function animate() {

				requestAnimationFrame( animate );
				render();

			}


			function render() {

				var delta = clock.getDelta(),
					time = clock.getElapsedTime() * 5;

				controls.update( delta );

				material_sphere1.color.setHSV( 0.0, 0.3 + 0.7 * ( 1 + Math.cos( time ) ) / 2, 1 );
				material_sphere2.color.setHSV( 0.1, 0.3 + 0.7 * ( 1 + Math.sin( time ) ) / 2, 1 );

				renderer.render( scene, camera );

				sound1.update( camera );
				sound2.update( camera );

			}

		</script>

	</body>
</html>
